英语听力：自然百科 大堡礁：自然奇迹—24

 Their snake-like bodies can even wriggle¹ into crevices².

And they can fold their dorsal³ fin⁴ flat to squeeze through small holes.

 

 

If discovered, a sleeping parrotfish wouldn't stand a chance.

Once the first shock has caught its prey⁵, the smell and commotion⁶ attracts others.

 

 

Every now and then,  you find yourself in moderately  strange situations in life, and this is one of them.

I'm in a cave with  feeding sharks.

They are very well designed to be in here and I'm not sure I am, quite frankly⁷.

1 wriggle   

v./n.蠕动，扭动；蜿蜒

参考例句：

• I've got an appointment I can't wriggle out of.我有个推脱不掉的约会。
• Children wriggle themselves when they are bored.小孩子感到厌烦时就会扭动他们的身体。

2 crevices   

n.（尤指岩石的）裂缝，缺口( crevice的名词复数 )

参考例句：

• It has bedded into the deepest crevices of the store. 它已钻进了店里最隐避的隙缝。 来自辞典例句
• The wind whistled through the crevices in the rock. 风呼啸着吹过岩石的缝隙。 来自辞典例句

3 dorsal   

adj.背部的，背脊的

参考例句：

• His dorsal fin was down and his huge pectorals were spread wide.它的脊鳍朝下耷拉着，巨大的胸鳍大张着。
• The shark's dorsal fin was cut off by the fisherman.鲨鱼的背鳍被渔夫割了下来。

4 fin   

n.鳍；(飞机的)安定翼

参考例句：

• They swim using a small fin on their back.它们用背上的小鳍游动。
• The aircraft has a long tail fin.那架飞机有一个长长的尾翼。

5 prey   

n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨

参考例句：

• Stronger animals prey on weaker ones.弱肉强食。
• The lion was hunting for its prey.狮子在寻找猎物。

6 commotion   

n.骚动，动乱

参考例句：

• They made a commotion by yelling at each other in the theatre.他们在剧院里相互争吵，引起了一阵骚乱。
• Suddenly the whole street was in commotion.突然间，整条街道变得一片混乱。

7 frankly   

adv.坦白地，直率地；坦率地说

参考例句：

• To speak frankly, I don't like the idea at all.老实说，我一点也不赞成这个主意。
• Frankly speaking, I'm not opposed to reform.坦率地说，我不反对改革。